What is the cheapest airline that flies from Philadelphia to Great Falls?

Alaska Airlines and United Airlines are the most popular carriers operating from Philadelphia to Great Falls

When did momondo last update prices for flights from Philadelphia Airport to Great Falls Airport?

Prices for flights from Philadelphia Airport to Great Falls Airport are updated daily.

How many operators does momondo search for flights from Philadelphia Airport to Great Falls Airport?

As of July 2026, there are 2 operators available to choose from for flights from Philadelphia Airport to Great Falls Airport.

How old do you have to be to fly from Philadelphia Airport to Great Falls Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Great Falls Airport.

What documentation or ID do you need to fly to Great Falls Airport?

The travel and health documents you'll need for your trip to Great Falls Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Great Falls Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$174 Cheap Flights from Philadelphia to Great Falls in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Philadelphia to Great Falls

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:20 am - 12:38 pm

PHL

GTF

7h 18m

1 stop

6:27 pm - 6:05 am

GTF

PHL

9h 38m

1 stop

$348Delta

Thu, Oct 8 - Sun, Oct 11

7:20 am - 12:38 pm

PHL

GTF

7h 18m

1 stop

6:27 pm - 6:05 am

GTF

PHL

9h 38m

1 stop

$348Delta

Thu, Oct 22 - Mon, Oct 26

7:02 am - 4:45 pm

PHL

GTF

11h 43m

1 stop

5:19 pm - 5:40 am

GTF

PHL

10h 21m

1 stop

$348Alaska Airlines

Sat, Sep 5 - Sat, Sep 19

7:20 am - 12:35 pm

PHL

GTF

7h 15m

1 stop

6:21 pm - 6:05 am

GTF

PHL

9h 44m

1 stop

$348Delta

Sat, Sep 12 - Mon, Sep 21

1:30 pm - 9:12 pm

PHL

GTF

9h 42m

2 stops

2:25 pm - 11:44 pm

GTF

PHL

7h 19m

1 stop

$354United Airlines

Sat, Aug 22 - Sat, Aug 29

1:30 pm - 9:12 pm

PHL

GTF

9h 42m

2 stops

2:25 pm - 11:44 pm

GTF

PHL

7h 19m

1 stop

$354United Airlines

Wed, Aug 26 - Wed, Sep 2

5:45 am - 12:35 pm

PHL

GTF

8h 50m

2 stops

6:21 pm - 6:05 am

GTF

PHL

9h 44m

1 stop

$354Delta

Sat, Sep 12 - Mon, Sep 21

1:30 pm - 9:12 pm

PHL

GTF

9h 42m

2 stops

6:15 am - 9:43 pm

GTF

PHL

13h 28m

2 stops

$359United Airlines

Sat, Aug 22 - Sat, Aug 29

7:00 am - 4:39 pm

PHL

GTF

11h 39m

1 stop

5:19 pm - 5:40 am

GTF

PHL

10h 21m

1 stop

$433Alaska Airlines

Sat, Sep 12 - Mon, Sep 21

7:02 am - 4:38 pm

PHL

GTF

11h 36m

1 stop

5:18 pm - 5:40 am

GTF

PHL

10h 22m

1 stop

$436Alaska Airlines

Sat, Aug 29 - Tue, Sep 1

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Alaska Airlines flights from Philadelphia to Great Falls

Our best Alaska Airlines deals on Philadelphia to Great Falls flight tickets

Alaska Airlines

Sep 5

PHL7:02 amPhiladelphia

11h 43m

1 stop

GTF4:45 pmGreat Falls

Sep 19

GTF5:19 pmGreat Falls

10h 21m

1 stop

PHL5:40 amPhiladelphia

$348

Alaska Airlines

Aug 29

PHL7:02 amPhiladelphia

11h 36m

1 stop

GTF4:38 pmGreat Falls

Sep 1

GTF5:18 pmGreat Falls

10h 22m

1 stop

PHL5:40 amPhiladelphia

$436

Alaska Airlines

Sep 5

PHL4:48 pmPhiladelphia

25h 57m

2 stops

GTF4:45 pmGreat Falls

Sep 19

GTF5:19 pmGreat Falls

10h 21m

1 stop

PHL5:40 amPhiladelphia

$452

Delta flights from Philadelphia to Great Falls

Our best Delta deals on Philadelphia to Great Falls flight tickets

Delta

Oct 8

PHL7:20 amPhiladelphia

7h 13m

1 stop

GTF12:33 pmGreat Falls

Oct 11

GTF6:18 pmGreat Falls

9h 47m

1 stop

PHL6:05 amPhiladelphia

$358

Delta

Sep 12

PHL3:45 pmPhiladelphia

8h 52m

2 stops

GTF10:37 pmGreat Falls

Sep 21

GTF6:21 pmGreat Falls

9h 44m

1 stop

PHL6:05 amPhiladelphia

$394

Delta

Sep 12

PHL3:45 pmPhiladelphia

8h 52m

2 stops

GTF10:37 pmGreat Falls

Sep 21

GTF6:21 pmGreat Falls

9h 44m

1 stop

PHL6:05 amPhiladelphia

$424

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Thu 10/8

7:20 am-12:38 pm

1 stop7h 18m

Great Falls

Sun 10/11

6:27 pm-6:05 am

1 stop9h 38m

$348

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Thu 10/22

7:20 am-12:38 pm

1 stop7h 18m

Great Falls

Mon 10/26

6:27 pm-6:05 am

1 stop9h 38m

$348

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Sat 9/5

7:02 am-4:45 pm

1 stop11h 43m

Great Falls

Sat 9/19

5:19 pm-5:40 am

1 stop10h 21m

$348

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Sat 9/12

7:20 am-12:35 pm

1 stop7h 15m

Great Falls

Mon 9/21

6:21 pm-6:05 am

1 stop9h 44m

$348

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Sat 8/22

1:30 pm-9:12 pm

2 stops9h 42m

Great Falls

Sat 8/29

2:25 pm-11:44 pm

1 stop7h 19m

$354

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Wed 8/26

1:30 pm-9:12 pm

2 stops9h 42m

Great Falls

Wed 9/2

2:25 pm-11:44 pm

1 stop7h 19m

$354

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Sat 9/12

5:45 am-12:35 pm

2 stops8h 50m

Great Falls

Mon 9/21

6:21 pm-6:05 am

1 stop9h 44m

$354

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Sat 8/22

1:30 pm-9:12 pm

2 stops9h 42m

Great Falls

Sat 8/29

6:15 am-9:43 pm

2 stops13h 28m

$359

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Sat 9/12

7:00 am-4:39 pm

1 stop11h 39m

Great Falls

Mon 9/21

5:19 pm-5:40 am

1 stop10h 21m

$433

PhiladelphiaGreat Falls

PHL - GTF

PHLGTF

Philadelphia

Sat 8/29

7:02 am-4:38 pm

1 stop11h 36m

Great Falls

Tue 9/1

5:18 pm-5:40 am

1 stop10h 22m

$436

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 13 resultsSorted by cheapest first

How to get the cheapest flight ticket from Philadelphia to Great Falls

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the typical price of a round-trip flight between Philadelphia and Great Falls?

Prices are currently low for flights on this route.

Typical prices usually range from $493 to $758.
The lowest price recently found on this route was $348.

What is the cheapest month to fly to Great Falls?

The month of April is another great option to travel to Great Falls, with average flight prices from Philadelphia averaging around $372.

Can stopping save me money on Philadelphia to Great Falls flights?

You could potentially save up to 7% on your flight if you consider stops on a Philadelphia to Great Falls flight.

When to book flights from Philadelphia to Great Falls

Are you open to changing your travel dates? Check out the ideal times to fly from Philadelphia to Great Falls according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Philadelphia to Great Falls (PHL to GTF) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Philadelphia to Great Falls

Fastest flight time	7h 13m
Direct flights	None

The fastest flight from Philadelphia to Great Falls takes 7h 13m

There are no direct flights from Philadelphia to Great Falls. There are no popular flight routes from Philadelphia to Great Falls.

Search flight deals

Frequently asked questions about flying from Philadelphia to Great Falls

How far is Philadelphia to Great Falls by plane?
A flight from Philadelphia to Great Falls will travel around 1858.6 mi. Typically, this will take 7h 13m by plane in normal conditions.
When did momondo last update prices for flights from Philadelphia Airport to Great Falls Airport?
Prices for flights from Philadelphia Airport to Great Falls Airport are updated daily.
How many operators does momondo search for flights from Philadelphia Airport to Great Falls Airport?
As of July 2026, there are 2 operators available to choose from for flights from Philadelphia Airport to Great Falls Airport.
How old do you have to be to fly from Philadelphia Airport to Great Falls Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Philadelphia Airport to Great Falls Airport.
What documentation or ID do you need to fly to Great Falls Airport?
The travel and health documents you'll need for your trip to Great Falls Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Great Falls Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Philadelphia to Great Falls?
momondo data reveals that the most frequently booked airline on the route from Philadelphia to Great Falls is Delta, representing 50% of all bookings. The subsequent popular airline is United Airlines at 50%.

Best airlines flying from Philadelphia to Great Falls

Compare and see reviews for airlines that fly from Philadelphia to Great Falls with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $259	Free Cancellation	Rating 7.8 8,483 reviews		Search Delta flights
United Airlines	PriceFrom $472	Free Cancellation	Rating 7.4 10,041 reviews		Search United Airlines flights

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Why use momondo?

Why should I use momondo to find a flight deal from Philadelphia to Great Falls?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Great Falls from Philadelphia.

Can I find flights from Philadelphia to Great Falls with flexible booking policies on momondo?

Flights from Philadelphia to Great Falls with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Philadelphia to Great Falls?

Once you have performed a search for Philadelphia to Great Falls flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Philadelphia to Great Falls right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Philadelphia to Great Falls flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.